H-B Easy-Read Liquid-In-Glass Tank Thermometer; -10 to 70C, 76mm Immersion, Environmentally Friendly (B60380-0400) Range: -10 to 70C; divisions: 0.5; length: 405mm (16 inches); accuracy: 0.25C Black Enviro-Safe liquid contrasts with a yellow back glass making the thermometer easy to read Includes a brass cup case